| Place | Post Code |
|---|---|
| Yahuay, Moquegua | 18000 |
| Yaracachi, Moquegua | 18000 |
| Yaravico, Moquegua | 18000 |
| Zapata, Moquegua | 18000 |
| All postal codes in Mariscal Nieto | |
|---|---|
| Cuchumbaya, Mariscal Nieto | |
| Curumas, Mariscal Nieto | |
| Moquegua, Mariscal Nieto | |
| Samegua, Mariscal Nieto | |
| San Cristóbal, Mariscal Nieto | |
| Torata, Mariscal Nieto | |